Patents by Inventor Andrew R. Thoreson

Andrew R. Thoreson has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20160206358
    Abstract: An orthopedic fixation system includes a pedicle screw washer. The pedicle screw washer includes a body, an aperture for receiving a pedicle screw, a first securing member extending from the body spaced from the aperture and dimensioned to engage a first side of a transverse process of a vertebra, and a second securing member extending from the body spaced from the aperture and dimensioned apart from the first securing member to engage a second opposed side of the transverse process of the vertebra.
    Type: Application
    Filed: January 21, 2016
    Publication date: July 21, 2016
    Inventors: Chunfeng Zhao, Kai-Nan An, Andrew R. Thoreson